1. Preheat oven to 425°F. Place beets on a large piece of foil on a baking sheet. Drizzle with olive oil and season with salt and pepper. Fold foil around beets and crimp ends to form a packet.
2. Roast until tender when pierced with a knife, about 45 minutes.
3. Transfer beets to a large bowl and drizzle with vinegar, honey, and orange juice. Top with orange zest and thyme.